Mercoid Diaphragm Operated
Pressure Switches - Series AP
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Diaphragm
Operated Pressure Gauges - FM Approved, UL & SA |
Reliable
and convenient, series AP pressure switch is a compact
low cost switch for instrument air or other low pressure applications.
Visible set point and external adjustment add convenience.
Used on air, non corrosive gas or liquid service compatible
with wetted parts.
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APPLICATIONS |
Chemical petroleum, food and
drug processing industries. Used indoor, outdoor or in explosion-proof
area. |
PHYSICAL DATA |
- Maximum Temperature: -30°F to 150°F
- Pressure Connection: ¼" NPT female
- Electrical Ratings: Mercury: SPDT 4A @ 120V, 2A @ 240V
AC/DC Snap: SPDT 15A @ 120VAD., 8A @ 250VAC
- Wiring Connections:3 screw type, common, normally open
and normally closed
- Setpoint Adjustment: Screw type - adjustable from outside
cover
- Housing: Painted steel
- Wetted Parts: Steel, solder, Buna-N/Nylon (316SS, Teflon
available)
- Weight: 2 lbs. net
- Installation: Mercury switch unit - vertical, snap switch
unit - any position
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MODELS NUMBERS (stock shown in bold) |
SERIES AP SWITCHES
- OPERATING RANGES AND DEAD BANDS |
Model
Number |
|
Switch
Type
SPDT |
Switch DeadBand |
Maximum
Pressure |
Range |
Low |
High |
AP-153-33 |
10"vac.-50" wc |
Mercury |
5" wc |
6" wc |
15 psig |
AP-153-37 |
1-30 psig |
Mercury |
0.8 psig |
1.5 psig |
60 psig |
AP-153-39 |
10-125 psig |
Mercury |
4 psig |
10 psig |
160 psig |
AP-7021-153-33 |
10"vac.-50" wc |
Snap |
8" psig |
10" wc |
15 psig |
AP-7021-153-37 |
1-30 psig |
Snap |
0.75 psig |
1.5 psig |
60 psig |
AP-7021-153-39 |
10-125 psig |
Snap |
3 psig |
7 psig |
160 psig |
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SUGGESTED
SPECIFICATIONS |
Pressure switches shall be Mercoid
Series AP-(___) operated by Buna-N diaphragm. Setpoint shall
be visible, and shall be externally adjustable without shutting
down process. Deadband shall be fixed. Switch shall incorporate
(hermetically sealed mercury switch) (SPDT snap switch). |
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